29685062428 has 24 divisors (see below), whose sum is σ = 59408294400. Its totient is φ = 12713990448.

The previous prime is 29685062419. The next prime is 29685062479. The reversal of 29685062428 is 82426058692.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296368 + ... + 383671.

It is an arithmetic number, because the mean of its divisors is an integer number (2475345600).

Almost surely, 2^29685062428 is an apocalyptic number.

29685062428 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29685062428 is an abundant number, since it is smaller than the sum of its proper divisors (29723231972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29685062428 is a wasteful number, since it uses less digits than its factorization.

29685062428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681609 (or 681607 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 29685062428 in words is "twenty-nine billion, six hundred eighty-five million, sixty-two thousand, four hundred twenty-eight".